<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Router Demo</title>
</head>

<body>
    <ul>
        <li>
            <a href='#blue'>蓝色</a>
        </li>
        <li>
            <a href='#yellow'>黄色</a>
        </li>
        <li>
            <a href='#red'>红色</a>
        </li>
    </ul>
</body>
<script type='module' src='index.js'></script>
</html>